21. Very week Jake mows the lawn. Each time he mows, he cuts 1 inch off the top of the grass. If g equals the length of the grass before
he mows, and m equals the length of the grass after he mows, which
equation below would you use to find the length of the grass
after
Jake mows the lawn?
m-g=1
b. m = 1 + 9
(c. m = g-1
d. g=m-1
a.